.nav li:nth-child(4) a{
	padding: 24px 0 0 0;
	border-top: 2px solid #0295E3;
	color: #57BCEC;
}
.nav li:nth-child(1) a{
	color: #000;
}

.need{
	padding: 20px 0;
}
.needcon{
	width: 1000px;
	margin: 0 auto;
}
.needtite{
	padding:15px 20px;
	border-bottom: 1px solid #E5E5E5;
}
.needtime{
	font-size: 14px;
	color:#696969;
}
.needbottom{
	width: 1000px;
	margin: 0 auto;
	padding: 0 20px;
	box-sizing: border-box;
	font-size: 16px;
	color: #505050;
}
.rujin{
	padding:20px 0;
	line-height: 30px;
}
.rujin h6{
	font-size: 16px;
	font-weight: 500;
}
.btn2{
	width: 72px;
	height: 25px;
	margin-top:20px;
	border-radius: 20px;
	border:1px solid #919191;
	line-height: 25px;
	font-size: 14px;
	text-align: center;
}
.btn2 a{
	color:#919191;
}